Home / 849,463.97-1,171,996.29-481,880.61

Finding the Fourth Proportional to 849,463.97, 1,171,996.29 and 481,880.61

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Solution

The fourth proportional to 849,463.97, 1,171,996.29 and 481,880.61 is: 664,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,463.97 : 1,171,996.29 = 481,880.61 : x
  2. Step 2: Convert to fraction form
    849,463.97/1,171,996.29 = 481,880.61/x
  3. Step 3: Cross multiply
    849,463.97x = 1,171,996.29 × 481,880.61
  4. Step 4: Simplify right side
    849,463.97x = 564,762,287,142.94
  5. Step 5: Solve for x
    x = 564,762,287,142.94/849,463.97
  6. Step 6: Final answer
    x = 664,845.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.